For over 40 years, Washington Publishing Company (WPC) has specialized in managing and distributing data integration information through publications, training, and consulting services.

Established in 1975 and incorporated in 1987, WPC is widely recognized as a leading expert in supporting the development, publishing, and licensing of complex and specialized data integration standards. WPC thrives in complex situations, overcoming technical and business complexities with holistic and pragmatic solutions.

Company History and Team

Code*lists~

Go to X12.org/codes
to see most of the
external code lists that
were previously available
on wpc-edi.com.

To purchase a subscription to these code lists, please contact us by email at admin@wpc-edi.com or phone at (425) 562-2245.

Publications~

The majority of WPC’s publications are
available through X12 at X12.org/products.

Additional works, such as the Rail Industry Implementation Guides, are available directly from WPC.